1export fn entry() void {
2    const a: [*c]void = undefined;
3    _ = a;
4}
5
6// error
7//
8// :2:18: error: C pointers cannot point to non-C-ABI-compatible type 'void'
9// :2:18: note: 'void' is a zero bit type; for C 'void' use 'anyopaque'